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Science News Archive April 2021


Page 41 of 46

Brain cells decide on their own when to release pleasure hormone

Researchers at NYU Grossman School of Medicine discovered that individual nerve cells control the release of dopamine, a key player in motivation and movement. The finding challenges traditional views on dopamine regulation and provides new insights into Parkinson's disease.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Opioid prescribing for analgesia after common otolaryngology operations

The American Academy of Otolaryngology has published a new clinical practice guideline to reduce opioid use disorder risks. The guideline focuses on multimodal analgesia and judicious use of opioids, aiming to improve postoperative pain control while minimizing the risk of chronic opioid use.

Spin defects under control

The team successfully controlled spin defects in a layered crystal of boron nitride, even at room temperature. This achievement opens up new avenues for precise measurements of local electromagnetic fields, with potential applications in medicine, navigation, and information technology.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Black hole pairs found in distant merging galaxies

Two close quasar pairs are found in distant merging galaxies, separated by just over 10,000 light-years. This discovery provides crucial insight into the existence of supermassive black hole pairs and galaxy mergers in the early Universe.

The sea urchin microbiome

Researchers at UC Santa Barbara have deciphered the composition and function of sea urchin microbiomes, revealing significant differences between red and purple species and habitats. The study suggests that sea urchins may be able to produce their own food using microbes in their guts.

Glass nanopore pulls DNA like spaghetti through a needle

Researchers at UC Riverside developed a technique to capture cell-free DNA from fluid samples using an electric charge, making it easier to detect and diagnose cancer. The glass nanopore system can accumulate DNA near the surface, enhancing signal-to-noise ratio and potentially detecting mini lipid-based droplets released by tumors.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

A novel form of cellular logistics

Researchers at LMU München found that diffusiophoresis can facilitate directed particle transport in cells, even without motor proteins. The mechanism sorts particles by size and has implications for understanding cellular processes and potential applications in artificial minimal cells.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

How many mothers have lost a child: A global comparison

The study estimates the cumulative number of child deaths experienced by mothers between 20 and 49 years old in 170 countries. Mothers in select African countries are significantly more likely to have lost a child, with some experiencing up to 30 times more child deaths than those in high-income countries.

Gift to enable research into rare cancers

The Bertarelli Rare Cancers Fund has awarded over $9 million in grants to nine teams representing 19 lead investigators, advancing research into rare cancers that affect tens of thousands of patients annually. The fund aims to improve detection, diagnosis, treatment, and prevention of rare cancers through multidisciplinary collaborations.

New material for catholytes and anolytes in organic redox flow batteries

Researchers at Skoltech have designed and synthesized new compounds that can serve as catholytes and anolytes for organic redox flow batteries, offering high cell voltage, solubility, and electrochemical properties. The materials have been tested for scalability and performance in large-scale energy storage applications.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

New wasp species discovered in Norway

A new species of parasitic cuckoo wasp was discovered in Norway based on its unique use of pheromones. The researchers were able to distinguish between two closely related species by analyzing the chemical language used by the wasps.

Aquatic biodiversity key to sustainable, nutrient-rich diets

Research highlights biodiversity's crucial link to micronutrient-rich seafood diets, essential in combating 'hidden hunger' and meeting UN Sustainable Development Goals. Preserving aquatic ecosystem biodiversity locally and globally is vital to fulfill nutritional requirements.

Gut microbiome plays role in autism

A new study has demonstrated a correlation between autism spectrum disorder and changes in the gut microbiome. The researchers found that individuals with autism exhibited differences in gut microbiome composition compared to neurotypical controls, with gastrointestinal symptoms being significantly higher in those with autism. Longitud...

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

How the fly selects its reproductive male

A team of scientists from UNIGE has identified a crucial role for a micro-peptide in determining the sperm that will fertilize an egg in Drosophila females. The peptide plays a key part in the competition between spermatozoa from different males, and its absence leads to reduced fertility in subsequent matings.

No pain, no gain in exercise for peripheral artery disease

A new study found that high-intensity exercise with induced ischemic leg pain improves walking performance and distance in people with peripheral artery disease. Participants who walked at a pace causing discomfort showed significant improvements in six-minute walk distance and treadmill time.

Aquatic ecosystems source of half of global methane emissions

A new study published in Nature Geoscience found that aquatic ecosystems are a significant source of global methane emissions, accounting for at least half of the total methane emissions budget. Human activities such as agriculture, fertilization runoff, and aquaculture contribute to these emissions.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Houston flooding polluted reefs more than 100 miles offshore

A Rice University study found that runoff from Houston's 2016 Tax Day flood and 2017's Hurricane Harvey flood carried human waste onto coral reefs more than 100 miles offshore. The research showed that even marine ecosystems far from shore can be affected by severe events, highlighting the need for increased monitoring and protection.

A new material enables the usage of 'calcium' for batteries

Scientists from Tohoku University have developed a new fluorine-free calcium electrolyte that shows improved electrochemical performances. This breakthrough could lead to cost-effective and high-performance rechargeable calcium batteries as an alternative to lithium-ion batteries.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Microbial production of a natural red colorant carminic acid

Researchers at KAIST successfully produced carminic acid from glucose in engineered Escherichia coli, overcoming the need for complex purification processes and protein contaminants. The development of a generally applicable C-glucosyltransferase also enables the production of other valuable natural products.

Great tits change their traditions for the better

Researchers found that populations of great tits can switch from one behavior to a more efficient alternative when group members are replaced with new birds. Fluid social groups were more likely to adopt the new behavior, allowing them to adapt to changing environments.

Carpal tunnel syndrome is not just an office workers' condition

A retrospective study published in the Journal of Occupational and Environmental Medicine found that manual labor jobs contribute to higher rates of carpal tunnel syndrome. Researchers estimate the overall cost of carpal tunnel syndrome cases to be between $47,000 and $119,000, including healthcare costs and lost productivity.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

For breastfeeding moms, COVID-19 vaccinations may also protect babies

A new study found that breastfeeding mothers who receive a COVID-19 vaccine can pass protective antibodies to their babies through breast milk, providing long-lasting immune protection. The research tracked antibody levels in breast milk over an extended period and confirms the potential immune benefit of breast-feeding infants after v...

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Screening for skin disease on your laptop

A new deep neural network architecture can differentiate between healthy and diseased skin images with high accuracy, offering a potential screening tool for systemic sclerosis. The proposed network reached 100% accuracy in training and validation sets, outperforming traditional CNNs.

How preprints accelerated science communication during the pandemic

A new study found that preprints describing COVID-19 research were downloaded and accessed at unprecedented levels, with a striking change in the way research is accessed and communicated. Preprints are now being heavily used by reporters and policymakers, bringing active research closer to the general public.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Pediatric admissions for Kawasaki disease during COVID-19 in Japan

During the COVID-19 state of emergency, Kawasaki disease primarily affecting children saw a notable rise in pediatric admissions in Japan. The study investigated transmission modes, revealing a potential link between droplet or contact transmission and disease development.

Dark Energy Survey physicists open new window into dark energy

Researchers at the Dark Energy Survey combined data on matter distribution, galaxies, and galaxy clusters to refine estimates of dark matter and dark energy. This analysis provides more precise estimates of the average density of matter and its clumpiness, which are crucial parameters for understanding these mysterious substances.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

'Brain glue' helps repair circuitry in severe TBI

Researchers at the University of Georgia have developed a hydrogel, known as 'brain glue,' that mimics the composition and mechanics of the brain. The gel has been shown to protect against loss of brain tissue after severe TBI and may aid in functional neural repair.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Nutritional benefits of aquatic biodiversity

Diversifying seafood with multiple species can increase nutrient intake targets and reduce required portion sizes for key nutrients like calcium, iron, zinc, and fatty acids. However, this increased biodiversity also raises concerns about higher exposure to different heavy metals in various seafood species.

Virtual "urgent care" may lead to higher rates of downstream follow-up care

A new study from Michigan Medicine found that patients who had virtual 'urgent care' visits for upper respiratory infections were more likely to receive additional follow-up care compared to those with in-person visits. This contradicts the expectation that virtual care would reduce downstream visits and emergency department use.